glib-2.0: set default value of StringBuilder.truncate to 0

diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index fb2aa4cce3699d7f8cde4ab6c3d8dfca912dfc42..ffd6c4fbcad93bbe85dc7171a3120921d05216e7 100644 (file)
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -3444,7 +3444,7 @@ namespace GLib {
                public unowned StringBuilder prepend_len (string val, ssize_t len);
                public unowned StringBuilder insert (ssize_t pos, string val);
                public unowned StringBuilder erase (ssize_t pos = 0, ssize_t len = -1);
-               public unowned StringBuilder truncate (size_t len);
+               public unowned StringBuilder truncate (size_t len = 0);
 
                [PrintfFormat]
                public void printf (string format, ...);